Fennel Seeds Benefits: Amazing Health Advantages You Should Know

Medically Reviewed By
Dr. Mayanka Lodha Seth
Written By Kirti Saxena
on Apr 25, 2025
Last Edit Made By Kirti Saxena
on Apr 25, 2025

Fennel seeds, commonly known as Saunf in Hindi, have been used as an Indian spice for culinary purposes. From being a mouth freshener after meals to being used in various traditional recipes, this is a powerful punch of health benefits. It is used for its numerous medicinal properties, which have been valued in Ayurveda and conventional medicine for centuries.
Spices are usually hot, but fennel seeds are an exception. Fennel seeds are a cooling spice with a sweet and bitter taste, rich in essential nutrients, including vitamin C.
Chewing fennel seeds after meals can improve digestion and help prevent bloating. It is also rich in antioxidants, fiber, and essential oils, which boost heart health, regulate blood pressure, improve skin health, and even hormonal balance. Fennel seeds are useful in easing menstrual cramps due to their ability to reduce uterine contractions.
Read more to learn about the health benefits of fennel seeds, their nutrient content, uses of fennel seeds, side effects of using fennel seeds, and more.
What are Fennel Seeds?
Fennel seeds, commonly known as saunf in India, are small, aromatic seeds of the fennel plant (Foeniculum vulgare), a member of the carrot family.
Fennel seeds are greenish-brown in color and are used as a spice in Indian, Middle Eastern, and Mediterranean cuisines. Apart from their culinary use, fennel seeds have been used for centuries in traditional medicine due to their digestive, antioxidant, and anti-inflammatory properties. It is rich in potassium, magnesium, and other essential nutrients and possesses antioxidant properties.
Fennel Seeds Nutrient Content- per 100g
Fennel seeds are small, but they are packed with essential nutrients. 100 grams of Fennel seeds contain:
Nutrient | Amount per 100g |
Energy | 345 kcal |
Carbohydrates | 52 g |
Dietary Fiber | 40 g |
Protein | 15.8 g |
Fat | 14.9 g |
Calcium | 1,196 mg |
Iron | 18.5 mg |
Magnesium | 385 mg |
Phosphorus | 487 mg |
Potassium | 1,694 mg |
Nutritional Benefits of Fennel Seeds
Fennel seeds are rich in crucial vitamins, minerals, and antioxidants that are good for overall health. Here are some nutrients found in fennel seeds-
- Fiber—Fennel seeds are rich in dietary fiber. Fiber promotes digestion, prevents constipation, and promotes a healthy gut.
- Vitamins—Fennel seeds are rich in Vitamin C and Vitamin A. They are good for eye and skin health.
- Minerals—Fennel seeds contain calcium, magnesium, iron, and potassium, which support bone health, muscle function, and blood pressure regulation.
- Antioxidants—Fennel seeds are loaded with antioxidants, such as flavonoids and phenolic compounds, which protect cells from oxidative stress and reduce inflammation.
Read more: Sabja (Basil) Seeds: Benefits, Nutrition Facts, Weight Loss, and More.
Fennel Seeds Benefits for Females
Here are the benefits of fennel seeds for females-
- Hormonal Balance - Fennel seeds are beneficial for relieving menstrual cramps. It reduces the production of oxytocin and prostaglandin, which contribute to painful periods.
- Breastfeeding Support - Fennel seeds are given to breastfeeding mothers to help increase milk production.
- Skin Health- Their antioxidants help combat acne and give the skin a natural glow.
Fennel Seeds Benefits for Men
- Improved Libido - Fennel seeds help enhance testosterone levels and boost libido.
- Heart Health - Fennel seeds are rich in fiber and antioxidants, which help improve cardiovascular health.
- Hair Growth: The nutrients help prevent hair loss and promote healthy hair.
- Digestive Boost - It helps relieve bloating, indigestion, and flatulence.
Fennel Seeds Benefits You Should Know
1. Highly Nutritious
Fennel seeds are a rich source of vitamins, minerals, and antioxidants. They contain a good amount of Vitamin C, potassium, iron, and manganese, which play a crucial role in maintaining overall health and well-being.
2. Fennel Seeds Benefits for the Stomach
Many of you may already be aware that fennel seeds are beneficial for digestion. They contain anethole, fenchone, and estragole, which help reduce bloating, gas, and indigestion.
Stimulated digestive enzymes—Fennel seeds stimulate the production of gastric enzymes that effectively break down digested food.
Relieving acidity and heartburn - Chewing fennel seeds after meals helps alleviate acid reflux and heartburn. It is also rich in fiber, which helps ease bowel movements.
3. Good for Heart Health
Fennel seeds are good for heart health. They contain a high amount of fiber, potassium, and antioxidants, which help keep the heart healthy.
- Cholesterol Regulation- The fiber binds cholesterol in fennel seeds and reduces its absorption in the blood.
- Improved blood pressure- The potassium and fiber content help lower blood pressure and bad cholesterol.
4. May Have Cancer-Fighting Properties
Studies suggest that the antioxidants in fennel seeds help lower the risk of certain cancers by neutralizing harmful free radicals.
Research indicates that anethole, a compound present in fennel, is effective in destroying breast cancer cells and inhibiting their spread.
Selenium is a mineral found in fennel seeds that helps detoxify the liver and protect against cancer-causing compounds.
5. May Benefit Breastfeeding Women
Fennel seeds have galactagogue properties, which means they can help enhance milk production.
6. Support Eye Health
The Vitamin A and antioxidants in fennel seeds protect the eyes from oxidative damage and reduce the risk of age-related diseases, such as cataracts and macular degeneration.
7. Colic Relief
Colitis is a common medical condition that affects newborn babies. It can cause fussiness and discomfort in infants. Fennel tea relieves colic symptoms and promotes better sleep.
8. Good for Stress and Insomnia
Fennel seeds' soothing properties help reduce stress and improve sleep quality. They also reduce cortisol levels and promote a sense of calmness in the body.
9. Good for Kidneys
Fennel seeds act as diuretics, increasing urine production. This helps flush out toxins from the body and improve kidney function.
10. Fennel Seeds Benefits for Weight Loss
Fennel seeds can aid those seeking weight loss options. The saunf water in the morning helps support weight loss by suppressing hunger.
- Boost metabolism - The fennel seeds, or saunf, increase the metabolic rate and help burn calories faster.
- Appetite Suppression - Drinking fennel water or chewing the seeds before meals reduces hunger and overeating.
11. Fennel Seeds Benefits for Skin and Hair
The antioxidants and nutrients in fennel seeds are good for skin and hair health.
- Acne prevention - Regular consumption or topical application can lead to clearer skin, reduced acne, and a more even complexion.
- Skin Brightening- Fennel water hydrates the skin and detoxifies the body, which provides you with glowing skin.
- Fennel Seeds Benefits for Hair- Rich in antioxidants and nutrients, they help strengthen hair roots and reduce dandruff.
Also read: Khas Khas Benefits: A Complete Guide to Poppy Seeds.
Fennel Seeds Soaked in Water Overnight Benefits
Soaking fennel seeds overnight and drinking the water on an empty stomach in the morning is a powerful detox remedy.
- Boosts metabolism
- Aids digestion
- Helps in weight loss
- Improves bowel movements
- Enhances skin texture
- Regulates hunger hormones
Fennel Seeds Side Effects for Females
Fennel seeds are generally safe to consume, but excessive intake may lead to:
- Hormonal imbalance due to estrogenic effects
- Allergic reactions in sensitive individuals
- Photosensitivity in some cases
- Interference with birth control pills or hormone therapy
How to Use Fennel Seeds?
You can easily add fennel seeds to your daily routine. It is versatile and can be used in spicy and sweet dishes to add flavour.
- Chew raw seeds after meals for good digestion.
- Fennel tea—You can make saunf tea. Simply boil 1 tsp crushed saunf in water and steep for 5–10 minutes.
- Fennel water- Soak 1 tbsp of fennel seeds overnight, strain, and drink the water in the morning.
- Add to recipes: Dry roast fennel seeds and add them to soups, salads, and curries to enhance their aroma and flavour.
- Fennel oil- Apply fennel oil for skin or hair benefits.
Read also- Kalonji Seeds Benefits, Side Effects, Dosage, and More!
Side Effects of Fennel Seeds
Overconsumption of fennel seeds or saunf can lead to:
Sun sensitivity
- Nausea or vomiting
- Allergic skin reactions
- Hormonal problems
- Risk of miscarriage if consumed in large quantities during pregnancy
The Final Words
Fennel seeds are flavorful and nutritious ingredients that can enhance both your meal and your health. They improve digestion, aid in weight loss, and support heart health. You can make fennel seed tea, drink fennel seed water, chew them raw, roast them, and add them to dishes.
It's high in nutrients, beneficial for digestive issues, and may help prevent certain diseases due to its antioxidant properties. However, like all good things, moderation is key. Consult your doctor if you're pregnant, breastfeeding, or on hormonal medications.
Start adding a pinch of this flavorful seed to your daily routine, and feel the difference in your health and wellness!
FAQ’s
1. What happens if we consume fennel seeds on a daily basis?
Eating fennel seeds daily is good for health. It improves digestion, heart health, weight maintenance, and skin health.
2. What are the side effects of fennel seeds?
Fennel seeds are generally safe to use, but they can cause digestive issues such as bloating and gas, and may also trigger allergic reactions in some individuals.
3. Who should not use fennel seeds?
Individuals with hormone-sensitive conditions, such as certain types of cancer or endometriosis, should avoid consuming fennel seeds.
4. Is it OK to drink fennel water every day?
Yes, it is safe to drink fennel water daily, but moderation is key.
5. Is fennel good for hair growth?
Yes, fennel is beneficial for hair growth. Fennel seeds contain nutrients and antioxidants that can help strengthen hair follicles, stimulate blood circulation in the scalp, and reduce hair fall.
6. Can I boil fennel seeds and drink the water?
Yes, fennel seed water is safe to consume. Boil the water, add the fennel seeds, and then drink the resulting liquid.
7. Is fennel hot or cold?
Fennel seeds are a cooling spice used for their cooling properties.
8. Can fennel seeds delay periods?
Fennel seeds are not used to delay periods. They are a natural remedy for helping regulate periods and reduce menstrual cramps.
9. Is chewing fennel seeds safe?
Yes, chewing fennel seeds is safe, but they should always be consumed in moderation.